Re: SHA2 compatibility

2006-06-07 Thread Jonathan Rockway
This is a true statement, but not relevant to your question. I was discussing DSA keys, and you're asking about RSA. You can use any hash with RSA that you like. There are no restrictions in size or otherwise. The only thing you have to worry about is whether your recipient can handle that h

Re: SHA2 compatibility

2006-05-28 Thread Qed
On 05/28/2006 12:03 AM, David Shaw wrote: [..snip..] >> David Shaw in a recent message <[EMAIL PROTECTED]> >> about DSA2 said: >>> 3) Allowing truncation of a bigger hash to fit into the however many >>>bits the key allows. >>> >>> As far as I can tell at the moment, PGP 8 allows only #3. That

Re: SHA2 compatibility

2006-05-27 Thread David Shaw
On Sat, May 27, 2006 at 10:02:15PM +0200, Qed wrote: > I was investigating the possibility to use a RSA master key with SHA256 > or SHA512 as certification digest algorithm. > The problem is, as usual, compatibility. > > I don't know anything about the diffusion of the various PGP versions > and t

SHA2 compatibility

2006-05-27 Thread Qed
I was investigating the possibility to use a RSA master key with SHA256 or SHA512 as certification digest algorithm. The problem is, as usual, compatibility. I don't know anything about the diffusion of the various PGP versions and their capabilities. I've found a PGP compatibility table, written